I suspect the rule is not because all grunting is bad, but because it's much, much easier to enforce "no grunting" than to enforce "no excessive grunting." That would be a nightmare to negotiate. I still think the rule is a bit much.

__________________ Started 4/14/08 LINK TO PROGRESS PICS 1/1/2009 "It is impossible to live pleasurably without living wisely, well, and justly, and it is impossible to live wisely, well, and justly without living pleasurably" Epicurus